Loading Port:Qingdao Port
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:200000M.T./Year m.t./month
Mechanical Properties of Forged Steel Grinding Ball Made in China with Top Quality and little Breakage Rate
Code | Nominal diameter | Impact test Ak,J | Falling ball impact fatigue life | HRC | |
Surface | Heart | ||||
HN-75MNCr | ≤90 | >12 | ≥10000 | ≥62 | ≥58 |
>90 | ≥58 | ≥55 | |||
HN-40MNCr | ≤90 | ≥12 | ≥10000 | ≥55 | ≥52 |
>90 | ≥52 | ≥50 | |||
HN-65MN | ≤90 | ≥12 | ≥10000 | ≥60 | ≥42 |
>90 | ≥58 | ≥40 | |||
Chemical Composition of Forged Steel Grinding Ball Made in China with Top Quality and little Breakage Rate
Model | C | Mn | Si | Cr | S | P | Mo | V | Ti |
HN-40MNCr | 0.40-0.50 | 0.7-1.2 | 0.17-0.37 | 0.9-1.1 | 0.03max | 0.03max | 0.02max | 0.02max | 0.02max |
HN-65MN | 0.62-0.70 | 0.9-1.2 | 0.17-0.37 | 0.25max | 0.035max | 0.035max | 0.02max | 0.02max | 0.02max |
HN-75MNCr | 0.70-0.85 | 0.7-0.8 | 0.17-0.37 | 0.4-0.9 | 0.03max | 0.03max | 0.02max | 0.02max | 0.02max |
Product Description of Forged Steel Grinding Ball Made in China with Top Quality and little Breakage Rate
1)Size:from 20mm to 150mm(0.75''-6'')
2)Surface hardness to55-67HRC, volume hardness of 50-63HRC
3)Endurance test times>10000
4)Impact test>12AK.J/CM2
5)Material: HN-65MN,HN-75MNCr,HN-40MNCr meet client's special needs.
6)Chromium percentage: from 0.25 to 1.1%.
7)Heat treatment: cycles.
8)Production Technical: traditional hammer forging; Upsetting forged; Rolling forged
9)Application :Mining ,Cement plant, ,Power station,and other grinding industries
10)Certification:SGS/TUV/BV/COTECNA/ISO9001:2008
